Energy efficient design with 3 speed modes minimizes power consumption while maintaining optimally airflows, for comfort Delivers fast cooling relief in cars, dorm rooms, or outdoor adventures with its quiet operations and rapid dynamic ice cooling systems This leak proof miniature air conditioning unit uses ice packs instead of water tanks, measures 180x130x65mm for easy portability, and charges via USB for multifunctional power option 10 hour cooling with our portable fan featuring ice bag technology, 3 adjustable speeds, and 30 hour rechargeable runtime for efficient climate control Ideal for driver, workers, campers, and students needing compact, quiet airflows in confined spaces like cars or desks, Manufacturer: GAOINTELL